CN101463512A - Draft roller - Google Patents
Draft roller Download PDFInfo
- Publication number
- CN101463512A CN101463512A CNA2008101744367A CN200810174436A CN101463512A CN 101463512 A CN101463512 A CN 101463512A CN A2008101744367 A CNA2008101744367 A CN A2008101744367A CN 200810174436 A CN200810174436 A CN 200810174436A CN 101463512 A CN101463512 A CN 101463512A
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- Prior art keywords
- roller
- groove
- sliver
- draft
- yarn
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/70—Constructional features of drafting elements
- D01H5/74—Rollers or roller bearings
- D01H5/78—Rollers or roller bearings with flutes or other integral surface characteristics
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/70—Constructional features of drafting elements
- D01H5/74—Rollers or roller bearings
Abstract
The present invention provides a draft roller, irrespective of the material (yarn type) of a sliver to be processed, a generation of the cyclic unevenness caused by a groove pitch of a draft roller and an accumulation of foreign materials in the grooves during drafting process can be prevented. A draft roller (a first roller 22A) according to the present invention is provided in a draft device (2) of a spinning machine and has groove parts (71) formed on a roller surface (28) of the draft roller (a first roller 22A) and having an inclination relative to an axial direction of the draft roller (a first roller 22A), wherein given that a diameter of the draft roller (a first roller 22A) is R, the number of the groove parts (71) is N, an inclination relative to the axial direction of the groove parts (71) is theta, a fiber width of a sliver (10) processed by the draft device (2) is D and a circular constant is pi, the draft roller satisfies a relationship <Pi>R/N < Dtan<theta>.
Description
Technical field
The present invention relates to be arranged on the technology of the drawing roller in the drafting system that forms spinning machinery.
Background technology
In the past, at the drafting system that is used for high-speed spinning machinery, be equipped with successively downstream from the upstream of installing: each drawing roller of a pair of back roller, the 3rd roller, intermediate calender rolls and preliminary roller is right.The driven voller of servo-actuated constitutes each drawing roller with contacting with driven roller to the driven roller by rotation under driving at drive source.This driven roller is metal roller, and driven voller is the roller of rubber system.Sliver one side driven rolls and driven voller are controlled drafted processing on one side from above-below direction.
Drafting system is the device that utilizes the speed official post sliver between the drawing roller to attenuate.Therefore, in order to control fiber securely, the driven roller that drawing roller is right is formed with groove on the roller side face.
But if form groove on the roller side face, the lug boss of groove can add the periodicity spot (cycle spot) that the cycle is identical with the spacing of groove to sliver.Especially the cycle spot that applies of the groove of the 3rd roller, when sliver between intermediate calender rolls and preliminary roller during drafted processing, can be because the different of groove number be stretched with sliver on the raw material of sliver (for example cotton, chemical fibre) and the 3rd roller.Thus, the sliver after the processing has become the sliver of the cycle spot with several centimetres of spacings.When such sliver is used for the weft yarn of fabric, exist fabric can produce the same problems such as decorative pattern of wood grain.
The problems referred to above are to be caused by following reason: owing to control sliver with the lug boss with the groove of spaced set on the roller side face of drawing roller, drawing sliver periodically, therefore on sliver, be applied in the cycle spot, be applied in should the cycle spot sliver handle because of drawing-off and further stretched, the cycle spot is stretched too.Therefore invented by formation and make the groove of the uneven unequal-interval of spacing of the groove that forms on the roller side face of drawing roller change sliver, made sliver can not produce periodic big spot thus, can obtain not have the drawing roller (for example patent documentation 1) of the spinning of cycle spot by the cycle of groove drawing.
But therefore the drawing roller of patent documentation 1 exists the drawing roller that equates with groove pitch to compare processing trouble, the such problem of cost cost owing to make the spacing of groove inhomogeneous.
As mentioned above, the cycle spot that causes of the spacing of drawing roller groove is controlled, is produced by drawing periodically by the lug boss of groove because of sliver.Therefore, quantity that can be by increasing the groove that forms on the roller side face, the area that reduces the lug boss of groove suppress the generation of cycle spot.
But if owing to increase the quantity of groove, groove will attenuate, and the sectional area of groove diminishes, and therefore piles up foreign matters such as cotton sugar, impurity easily.Thus, fiber reduces to the power that roller twines, controls, and causes the sliver physical property deterioration.Therefore, need to increase the quantity of the groove that forms on the roller side face on the one hand, will increase the sectional area of groove on the other hand.And the cycle spot that is applied on the sliver is because of the quantity difference of groove on the raw material of sliver, the 3rd roller, and the frequency of generation there are differences.For example, when the 3rd roller of groove number few (for example 56) is used for cotton, the cycle spot can not be produced, but the cycle spot can be produced when being used for chemical fibre.And, foreign matter to the accumulation of groove also because of the raw material of sliver, the 3rd roller on the difference of groove number there are differences.For example, foreign matter can not be stacked into groove when the 3rd roller of groove number many (for example 120) was used for chemical fibre, but foreign matter can be stacked into groove when being used for cotton.Therefore, the drafting system of prior art is in order to prevent to produce the accumulation to groove of cycle spot and foreign matter, according to the different different multiple drawing roller of groove number of using respectively of raw material (yarn kind) of the sliver of processing.
But above-mentioned drafting system all will reconfigure and the corresponding drawing roller of sliver, very Ma Fan problem when having the raw material that at every turn changes the sliver of handling.
[patent documentation 1] Japanese kokai publication hei 3-124820 communique
Summary of the invention
The present invention will provide a kind of no matter the sliver of handling is what raw material (a yarn kind) in order to solve such problem, to its objective is, the generation of the cycle spot that groove pitch causes in the time of can both preventing the drawing-off processing and foreign matter are to the carry-over pinch rolls of the accumulation of groove.
The present invention wants the problem that solves as mentioned above, the following describes the method that addresses this problem.
The drawing roller of the 1st scheme is the drawing roller that is arranged in the drafting system that forms spinning machinery, has the groove that has the inclination angle with respect to direction of principal axis on the roller side face; When the diameter of the above-mentioned drawing roller of hypothesis be the quantity of R, above-mentioned groove be N, above-mentioned groove with respect to axial inclination angle be θ, the fiber width of the sliver handled with drafting system is D, when pi is π, satisfies the relation of π R/N＜Dtan θ.
The drawing roller of the 2nd scheme is on the basis of the drawing roller of the 1st scheme, when the sectional area of above-mentioned groove is Amm
2The time, sectional area is in the scope of 0.15＜A＜0.30.
The drawing roller of the 3rd scheme is on the basis of the drawing roller of the 1st or the 2nd scheme, and when the degree of depth of above-mentioned groove was Fmm, the degree of depth was in the scope of 0.30＜F＜0.45.
On the basis of the drawing roller of any scheme of the drawing roller of the 4th scheme in the 1st to the 3rd scheme, when the width of the roller circumferencial direction of the bottom surface of above-mentioned groove was Tmm, width was in the scope of 0.25＜T＜0.45.
The present invention has following effect.
The 1st scheme makes drawing roller satisfy predetermined relation (π R/N＜Dtan θ), then no matter sliver is what raw material (a yarn kind), can both prevent the generation of the cycle spot that the spacing of groove causes.And,, can both make the structure of drawing roller unified no matter sliver is what raw material (a yarn kind).Therefore, do not process and re-assembly the trouble of drawing roller, save cost.
The 2nd scheme makes the sectional area of groove of drawing roller in predetermined scope (0.15＜A＜0.30), no matter sliver is what raw material (a yarn kind), can both prevent the accumulation of foreign matter (cotton sugar, impurity) to groove.
The 3rd scheme makes the degree of depth of groove of drawing roller in predetermined scope (0.30＜F＜0.45), no matter sliver is what raw material (a yarn kind), can both prevent the accumulation of foreign matter (cotton sugar, impurity) to groove.
The bottom surface that the 4th scheme makes the drawing roller groove in predetermined scope (0.25＜T＜0.45), no matter sliver is what raw material (a yarn kind), can both prevent the accumulation of foreign matter (cotton sugar, impurity) to groove along the width of the circumferencial direction of roller.
Description of drawings
Fig. 1 is the sectional view of the spinning machinery 100 of the invention process form.
Fig. 2 (a) (b) is the vertical view of the relation between the groove 29 of expression sliver 10 and the 3rd roller 22A.
Fig. 3 is the side view of the 3rd roller 22A.
Fig. 4 (a) is the B-B line cutaway view among Fig. 3 of the 3rd roller 22A, (b) is near the amplification view the groove 29 of the 3rd roller 22A.
Fig. 5 is the side view of drafting system 2.
Fig. 6 handles the curve map of measuring with the yarn evenness testing machine later for the drafting system 2 with the 3rd roller 200A with prior art.
Fig. 7 is for handling the curve map of measuring with the yarn evenness testing machine later with the drafting system 2 with the 3rd roller 22A.
Fig. 8 is the table of the shape of the 3rd roller 200A, 210A, 220A and the 3rd roller 22A of expression prior art.
Description of reference numerals
2. drafting system; 10. sliver; 22A. the 3rd roller; 28. roller side face; 71. groove; 74. bottom surface; 100. spinning machinery
The specific embodiment
The spinning machinery 100 of the invention process form is described below with reference to the accompanying drawings.
Fig. 1 is the sectional view of the spinning machinery 100 of expression the invention process form.
Driven roller (21A, 22A, 23A, 24A) is respectively with the rotation of different speed, later roller to the 21, the 3rd roller to 22, intermediate calender rolls to 23 and preliminary roller to 24 order the rotary speed of driven roller is accelerated, by like this each drawing roller between be provided with speed difference.By the draw ratio of the right speed difference of these each drawing roller decision as the ratio of drawing-off sliver 10.Intermediate calender rolls to 23, preliminary roller is bigger to the draw ratio between 22 to the 21, the 3rd roller than back roller to the draw ratio between 24.Therefore, sliver 10 intermediate calender rolls to 23, preliminary roller between to 24 drafted ratio than the back roller to the 21, the 3rd roller between to 22 drafted ratio big.
Spinning apparatus 3 is for by making swirling eddy act on the air type spinning apparatus of making yarn (yarn of hanking tie) 40 on the sliver 10 of drafted device 2 drawing-offs.
Yarn defect checkout gear 5 is for detecting the device of the yarn defect that is sent to the yarn 40 in batching apparatus 6 ways.Information according to yarn defect checkout gear 5 detected yarn defects is removed yarn defect position, prevents that bad yarn is wound up in the package 61.And possessing in the yarn defect checkout gear 5 does not have the basis of expression to detect the shearing device that the yarn defect cuts off yarn 40 among the figure, and will be in order to excise yarn defect position the tieing device that connects of the two ends of the yarn 40 of temporarily disconnected.
The yarn 40 that batching apparatus 6 makes spinning apparatus 3 for the axis direction along bobbin 62 traverses to reel and forms the device of package 61.Package 61 or bobbin 62 are subjected to the effect of drive drum 63 driving forces and rotate, and yarn 40 is wound up into forms package 61 on the bobbin 62.
The following describes the structure of the 3rd roller to 22 driven roller 22A (hereinafter referred to as the 3rd roller 22A).Fig. 2 is the vertical view of the relation between the groove 29 of expression sliver 10 and the 3rd roller 22A.Fig. 3 is the side view of the 3rd roller 22A.Fig. 4 a is the cutaway view of the B-B line among Fig. 3 of the 3rd roller 22A, and Fig. 4 b is near the amplification view the groove 29 of the 3rd roller 22A.
As mentioned above, if applied the cycle spot by the 3rd roller 22A, then the cycle spot that is applied in drawing-off is after this handled is stretched.Therefore, be necessary the cycle spot that prevents that the 3rd roller 22A from causing.Shown in Fig. 2 a, the cycle spot is being carried out producing when drawing-off is handled under to the parallel state of the groove 29 of the top 10a of 22 slivers of controlling 10 and the 3rd roller 22A by the 3rd roller.Therefore, the direction that groove 29 by making the 3rd roller 22A shown in Fig. 2 b and sliver 10 are carried certain angle θ that tilts, owing to by the 3rd roller the top 10a of 22 slivers of controlling 10 is become not the state parallel with the groove 29 of the 3rd roller 22A, therefore can prevent the cycle spot that the 3rd roller 22A causes.In view of above reason, the 3rd roller 22A adopts following structure.
The 3rd roller 22A is the metal system roller that forms axle 26 and the diameter R roller segment 27 bigger than axle 26 diameter.Roller segment 27 on roller side face 28, equally spaced form with respect to the direction of axle 26 tilt predetermined angle θ groove 29,29 ...As shown in Figure 4, groove 29 is made of lug boss 70,70 and groove 71.Lug boss 70 is made of crowning 72 and inclined plane 73,73.
N the groove 71 that be arranged at intervals with to equate on roller side face 28.Groove 71 is with respect to the predetermined angle θ of direction inclination of axle 26.Groove 71 is made of inclined plane 73,73 and bottom surface 74.Wherein, suppose the sectional area (along the area on the B-B line section of Fig. 3) of groove 71---the area that is promptly surrounded by inclined plane 73 and 73, bottom surface 74, imaginary line 75 on the imaginary plane of crowning 72 prolongations of lug boss 70 is Amm
2The cross sectional shape of this groove 71 is an approximate trapezoid.Suppose the degree of depth of groove 71---promptly 74 height to imaginary line 75 are Fmm from the bottom surface.And the bottom surface 74 of supposing groove 71 is Tmm along the width of the circumferencial direction of roller.
The following describes the drawing-off treatment process of carrying out with drafting system 2.Fig. 5 is the side view of drafting system 2.
And, drafting system 2 by make sliver 10 through intermediate calender rolls to 23 and preliminary roller between 24, carry out the phase III drawing-off.At this moment, because preliminary roller is to the rotary speed of 24 driven roller 24A (hereinafter referred to as preliminary roller 24A) the rotary speed height than intermediate calender rolls 23A, so sliver 10 is by further drawing-offs.
Below with the drafting system 2 of the 3rd roller 200 that possesses prior art with possess that the drafting system 2 of the 3rd roller 22A of the present invention is actual makes spinning, the quality of this yarn is compared.Usefulness yarn evenness testing machine when Fig. 6 handles for the drafting system 2 of using the 3rd roller 200A with prior art (
む ら Try Omen Machine) curve map of Ce Lianging.The curve map of measuring with the yarn evenness testing machine when Fig. 7 handles for using the drafting system 2 with the 3rd roller 22A.
Object as a comparison, the 3rd roller 200A of prior art has used diameter to be 56, groove with respect to the inclination angle [theta] of axis direction as the quantity of 25mm, groove is 5 ° roller, and it is 10 ° roller that the 3rd roller 22A has used diameter to be 72, groove with respect to the inclination angle [theta] of axis direction as the quantity of 25mm, groove.The fiber width of the sliver of handling 10 is 7.0mm.The treatment conditions of drafting system 2 are, the draw ratio between the 3rd roller and the intermediate calender rolls (IDR) is 1.715, the draw ratio (MDR) between intermediate calender rolls and the preliminary roller is 35, the degree of drawing of outlet roller 41 is 0.96.
As shown in Figure 6, the result who measures with the yarn evenness testing machine finds peak value 88 in the position of 88mm, and is consistent with result calculated.
On the other hand, the cycle spot that the 3rd roller 22A causes is because diameter is the quantity of 25mm, groove is 72, thus the cycle be 25mm * π/72=1.09mm (π ≈ 3.14), have and calculate the periodicity that goes up 1.1mm.Sliver 10 with periodic cycle spot of 1.1mm is handled by carrying out drawing-off, becomes 1.09mm * 1.715 * 35/0.96=68mm by outlet roller 41 time, has and calculates the periodicity that goes up about 68mm.
But as shown in Figure 7, the result who measures with the yarn evenness testing machine does not find peak value on the position of 68mm.That is, have in the drafting system 2 of the 3rd roller 22A, be not applied in the cycle spot on the sliver 10.
So, if use the 3rd roller 22A that satisfies certain condition, then can not produce the cycle spot that groove pitch causes.That is, if the 3rd roller 22A get bigger groove 29 with respect to axial inclination angle, make groove 29 not parallel with the top 10a of sliver 10, just can not produce the cycle spot that the spacing of groove causes.If suppose the diameter of the 3rd roller 22A be the quantity of the groove 71 of R, the 3rd roller 22A be N, groove 71 with respect to axial inclination angle be θ, the fiber width of the sliver 10 handled with drafting system 2 is that D, pi are π, the certain condition that does not produce this cycle spot is the relation of π R/N＜Dtan θ.If adopt the 3rd roller 22A, then, can both prevent the generation of the cycle spot that groove pitch causes no matter sliver 10 is what raw material (yarn kinds) with predetermined relationship (π R/N＜Dtan θ).And,, can both make the structure of the 3rd roller 22A unified no matter sliver 10 is what raw material (yarn kinds).Therefore, do not process and re-assembly the trouble of the 3rd roller 22A, save cost.
The following describes the cycle spot that the spacing of the shape of groove 29 of the 3rd roller 22A and drawing roller groove causes.The cycle spot that causes owing to the spacing of drawing roller groove produces because of forming groove on the roller side face, therefore can prevent the generation of cycle spot by the quantity that increases the groove that forms on the roller side face.But, owing to increase the quantity of groove the degree of depth of groove is shoaled, therefore pile up foreign matters such as cotton sugar, impurity easily.Thus, fiber reduces to winding, the holding force of roller, causes the sliver physical property deterioration.Therefore, need to increase the quantity of the groove that forms on the roller side face on the one hand, will increase the degree of depth of groove on the other hand.
Therefore with the drafting system 2 of the 3rd roller 200A that possesses prior art, 210A, 220A with possess that the drafting system 2 of the 3rd roller 22A of the present invention is actual makes spinning, the accumulation degree that foreign matter is stacked on the 3rd roller compares.Fig. 8 is the table of shape of having concluded the 3rd roller 200A, 210A, 220A and the 3rd roller 22A of prior art.
When the diameter of supposing each the 3rd roller is R (mm), the quantity of groove is N (individual), groove with respect to the inclination angle of axis direction be θ (°), the area that the imaginary line on the sectional area of groove---the imaginary plane that promptly prolongs by inclined plane, bottom surface with from the crowning of lug boss surrounds is A (mm
2), the degree of depth of groove---promptly the height from the bottom surface to the imaginary line is F (mm), the width along the circumferencial direction of roller of groove bottom surface is T (mm), and when the width along the circumference aspect of roller of the crowning of lug boss was W (mm), the 3rd roller of object had used the roller of following value as a comparison.
R=25mm, N=56 among the 3rd roller 200A of prior art, θ=5 °, A=0.28mm
2, F=0.43mm, T=0.40mm.W＝0.50mm。In addition, the cross sectional shape of groove is an approximate trapezoid.
R=25mm, N=90 among the 3rd roller 210A of prior art, θ=5 °, A=0.07mm
2, F=0.20mm, T=0.24mm.W＝0.40mm。In addition, the cross sectional shape of groove is an approximate trapezoid.
R=25mm, N=120 among the 3rd roller 220A of prior art, θ=5 °, A=0.07mm
2, F=0.21mm, T=0.21mm.W＝0.20mm。In addition, the cross sectional shape of groove is an approximate trapezoid.
R=25mm, N=72 among the 3rd roller 22A of present embodiment, θ=10 °, A=0.175mm
2, F=0.35mm, T=0.30mm.W＝0.40mm。In addition, the cross sectional shape of groove is an approximate trapezoid.
The fiber width of the sliver of handling 10 is 7.0mm.The treatment conditions of drafting system 2 are, the draw ratio between the 3rd roller and the intermediate calender rolls (IDR) is 1.715, the draw ratio (MDR) between intermediate calender rolls and the preliminary roller is 35, the degree of drawing of outlet roller 41 is 0.96.
When handling with the drafting system 2 of the 3rd roller 200A with prior art, 210A, 220A and 2 pairs of slivers 10 of drafting system of possessing the 3rd roller 22A by above-mentioned condition, (N=90 is individual, A=0.07mm with the 3rd roller 210A
2, F=0.20mm, T=0.24mm) with the 3rd roller 220A (N=120, A=0.07mm
2, F=0.21mm, T=0.21mm) accumulation of on groove 211,221, having found foreign matter handled.
On the other hand, with the 3rd roller 200A (N=56, A=0.28mm
2, F=0.43mm, T=0.40mm) with the 3rd roller 22A (N=72, A=0.175mm
2, F=0.35mm, T=0.30mm) foreign matter of not finding on groove 201, groove 71 handled piles up.
So, if use the 3rd roller (200A, 22A) that satisfies certain condition, can not see foreign matter on the groove and pile up.Therefore, the sectional area when the hypothesis groove is A (mm
2), the degree of depth of groove is the width along the circumferencial direction of roller of the bottom surface of F (mm), groove when being T (mm), the sectional area A that the 3rd roller that satisfies this certain condition is meant groove in the scope of 0.15＜A＜0.30, the degree of depth F of groove in the scope of 0.3＜F＜0.45, three roller of bottom width T in the scope of 0.25＜T＜0.45.
Sectional area, the degree of depth and the bottom surface of the groove by making the 3rd roller along the width of the circumferencial direction of roller in predetermined scope, no matter sliver is what raw material (a yarn kind), can both prevent the accumulation of foreign matter (cotton sugar, impurity etc.) to groove.And,, therefore can prevent the accumulation of foreign matter (cotton sugar, impurity etc.) to groove because the cross section of the groove of the 3rd roller is trapezoidal.
As mentioned above, when the structure of the 3rd roller groove satisfies concerning of π R/N＜Dtan θ (formula 1), can not produce the cycle spot that groove pitch causes.And, when the structure of the 3rd roller groove is in the scope of 0.15＜A＜0.30 (formula 2), 0.3＜F＜0.45 (formula 3) and 0.25＜T＜0.45 (formula 4), do not have the accumulation of foreign matter (cotton sugar, impurity etc.) to groove.Therefore, if make the groove structure of the 3rd roller satisfy the relation of formula 1, can prevent the generation of the cycle spot that groove pitch causes and prevent the accumulation of foreign matter (cotton sugar, impurity etc.) to groove to formula 4.
Claims (4)
1. one kind forms the drawing roller that is provided with in the drafting system of spinning machinery, it is characterized in that:
On the roller side face, has the groove that has the inclination angle with respect to direction of principal axis;
When the diameter of the above-mentioned drawing roller of hypothesis be the quantity of R, above-mentioned groove be N, above-mentioned groove with respect to axial inclination angle be θ, the fiber width of the sliver handled with drafting system is D, when pi is π, satisfies the relation of π R/N＜Dtan θ.
2. drawing roller as claimed in claim 1 is characterized in that,
When the sectional area of above-mentioned groove is Amm
2The time, sectional area is in the scope of 0.15＜A＜0.30.
3. drawing roller as claimed in claim 1 or 2 is characterized in that,
When the degree of depth of above-mentioned groove was Fmm, the degree of depth was in the scope of 0.30＜F＜0.45.
4. as each the described drawing roller in the claim 1 to 3, it is characterized in that,
When the width of the roller circumferencial direction of the bottom surface of above-mentioned groove was Tmm, width was in the scope of 0.25＜T＜0.45.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP330694/2007 | 2007-12-21 | ||
| JP2007330694A JP5251118B2 (en) | 2007-12-21 | 2007-12-21 | Draft roller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101463512A true CN101463512A (en) | 2009-06-24 |
| CN101463512B CN101463512B (en) | 2011-10-05 |
Family
ID=40361502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101744367A Active CN101463512B (en) | 2007-12-21 | 2008-11-05 | Draft roller |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2072647B1 (en) |
| JP (1) | JP5251118B2 (en) |
| CN (1) | CN101463512B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104294441A (en) * | 2014-11-04 | 2015-01-21 | 常州市第八纺织机械有限公司 | Drawing roller of tape yarn warping machine |
| CN113235176A (en) * | 2021-05-24 | 2021-08-10 | 中国纺织科学研究院有限公司 | Drafting roller and spinning assembly for spinning |
| CN113388931A (en) * | 2021-06-03 | 2021-09-14 | 东台市润生纺机专件有限公司 | High-precision cotton spinning roving frame roller |
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| US41333A (en) * | 1864-01-19 | Improvement in spinning-rollers | ||
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| DE2930587A1 (en) * | 1979-07-27 | 1981-02-12 | Taschkentskoe Sp K Bjuro Tekst | Sliver-roving drawing unit - has structured surface on cylinder roller with projections to increase fibre separation |
| JPH0280627A (en) * | 1988-09-16 | 1990-03-20 | Toyota Autom Loom Works Ltd | Fluted roller for draft apparatus of spinning machine |
| JPH0353573U (en) * | 1989-10-02 | 1991-05-23 | ||
| JPH03124820A (en) * | 1989-10-04 | 1991-05-28 | Toray Eng Co Ltd | Drafting device of four wire type |
| EP0631961B1 (en) * | 1993-06-19 | 1997-12-10 | Hoechst Aktiengesellschaft | Yarn guiding component with an improved outer surface |
| JPH076276U (en) * | 1993-06-24 | 1995-01-27 | 村田機械株式会社 | Draft roller cleaning device |
| JPH07126927A (en) * | 1993-10-25 | 1995-05-16 | Murata Mach Ltd | Front bottom roller of high-speed draft apparatus |
| KR960014815B1 (en) * | 1994-11-16 | 1996-10-21 | 제일모직 주식회사 | Method for preparation of high bulky wool yarn |
| CN2526335Y (en) * | 2001-12-28 | 2002-12-18 | 山东济宁如意毛纺织股份有限公司 | Spinning unit |
| CN2584620Y (en) * | 2002-10-25 | 2003-11-05 | 郑林岳 | Roller capable of helical yarn spinning by single yarn |
| JP4179227B2 (en) * | 2004-05-28 | 2008-11-12 | 株式会社豊田自動織機 | Fiber bundle concentrator in spinning machine |
| JP2006225787A (en) * | 2005-02-16 | 2006-08-31 | Murata Mach Ltd | Draft roller in spinning machine |
| CN2848888Y (en) * | 2005-11-30 | 2006-12-20 | 朱章林 | Arc shaped slant teeth roller for spinning machine |
| CN2928887Y (en) * | 2006-07-20 | 2007-08-01 | 常州市同和纺织机械制造有限公司 | Roller for magnetic compact spinning |
| DE202008011264U1 (en) * | 2008-08-23 | 2008-10-23 | Rieter Ingolstadt Gmbh | Drafting system roller |
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2007
- 2007-12-21 JP JP2007330694A patent/JP5251118B2/en not_active Expired - Fee Related
-
2008
- 2008-11-05 CN CN2008101744367A patent/CN101463512B/en active Active
- 2008-11-20 EP EP08020233.6A patent/EP2072647B1/en not_active Not-in-force
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104294441A (en) * | 2014-11-04 | 2015-01-21 | 常州市第八纺织机械有限公司 | Drawing roller of tape yarn warping machine |
| CN113235176A (en) * | 2021-05-24 | 2021-08-10 | 中国纺织科学研究院有限公司 | Drafting roller and spinning assembly for spinning |
| CN113235176B (en) * | 2021-05-24 | 2022-11-25 | 中国纺织科学研究院有限公司 | Drafting roller and spinning assembly for spinning |
| CN113388931A (en) * | 2021-06-03 | 2021-09-14 | 东台市润生纺机专件有限公司 | High-precision cotton spinning roving frame roller |
| CN113388931B (en) * | 2021-06-03 | 2022-07-01 | 东台市润生纺机专件有限公司 | High-precision cotton spinning roving frame roller |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2072647A2 (en) | 2009-06-24 |
| JP2009150025A (en) | 2009-07-09 |
| EP2072647B1 (en) | 2015-09-30 |
| CN101463512B (en) | 2011-10-05 |
| EP2072647A3 (en) | 2011-05-11 |
| JP5251118B2 (en) | 2013-07-31 |
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